EP3070583A1 - Panneau tactile et son procédé de fabrication, et dispositif d'affichage tactile - Google Patents

Panneau tactile et son procédé de fabrication, et dispositif d'affichage tactile Download PDF

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Publication number
EP3070583A1
EP3070583A1 EP15868659.2A EP15868659A EP3070583A1 EP 3070583 A1 EP3070583 A1 EP 3070583A1 EP 15868659 A EP15868659 A EP 15868659A EP 3070583 A1 EP3070583 A1 EP 3070583A1
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EP
European Patent Office
Prior art keywords
transparent conductive
conductive layer
electrodes
electrode leads
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP15868659.2A
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German (de)
English (en)
Other versions
EP3070583A4 (fr
Inventor
Chuanxiang Xu
Yonglian Qi
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BOE Technology Group Co Ltd
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BOE Technology Group Co Ltd
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Publication date
Application filed by BOE Technology Group Co Ltd filed Critical BOE Technology Group Co Ltd
Publication of EP3070583A1 publication Critical patent/EP3070583A1/fr
Publication of EP3070583A4 publication Critical patent/EP3070583A4/fr
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material

Definitions

  • Embodiments of the present disclosure relates to the field of touch display technology, especially relates to a touch panel and a method for manufacturing it, and a touch display device.
  • Touch screens as an intelligent man-machine interaction product has been widely used in many areas of social production and social life, especially has been developed quickly in the field of consumer electronic products, such as smart phone, tablet PC.
  • Capacitive touch screens as a new generation of touch screen product following resistive touch screens has undergone a qualitative leap in term of performance compared with the previous generation of products, which is reflected not only in being more sensitive, supporting multi-touch, but also in a longer serving life.
  • Figs.1 (a)-(b) illustrates a schematic exploded view of the planar structure of the touch panel in prior art
  • Fig.2 illustrates a schematic view of the cross section of the touch panel in prior art
  • the touch panel comprises a first transparent conductive layer 101, a transparent insulating media layer 102, a second transparent conductive layer 103, a metal layer 104, which are provided on a glass substrate in this order.
  • the first transparent conductive layer 101 serves to connect two adjacent first electrodes 1031 as a bridge.
  • the second transparent conductive layer 103 comprises a plurality of first electrodes 1031 and a plurality of second electrodes 1032 which are arranged to intersect to each other and connecting wires 1033 connecting two adjacent first electrodes 1031.
  • the metal layer 104 comprises metal leads 1041 of the first electrodes and metal leads 1042 of the second electrodes, which are located at a side of the plurality of the first electrodes 1031 and a plurality of the second electrodes 1032 and the metal leads finally are connected to a flexible printed circuit board (FPC).
  • FPC flexible printed circuit board
  • metal leads are easily oxidized, aluminum neodymium is utilized for making metal leads in consideration of low-cost and low resistivity in the art. Furthermore, in order to reduce the risk of being oxidized, protection layers are provided on the upper and lower surfaces of the metal leads.
  • metal leads which are provided with protective layers generally employ a laminate structure of molybdenum/aluminum neodymium/ molybdenum. To further prevent products from being oxidized and causing resistance to be increased during the production/preservation and subsequent using process, the manufacturers use a laminate structure of molybdenum niobium/aluminum neodymium/molybdenum niobium in some high end products.
  • Such a laminate structure has problems of being expensive, engraved corrosion rate being slow, which causes the metal leads with a laminate structure to be difficult for etching. Further, it is also necessary to develop new targets (i.e., molybdenum niobium). At the same time, the structure of the protective layers which are made separately at top and bottom sides of the metal leads will increase additional processes.
  • a touch panel including a plurality of first electrodes which are connected to each other in a first direction by first connecting wires; a plurality of second electrodes which are connected to each other in a second direction by second connecting wires; a plurality of a first electrode leads for leading the first electrodes, which are connected to each other in the first direction, out of a touch area; a plurality of a second electrode leads for leading the second electrodes, which are connected to each other in the second direction, out of the touch area, the touch panel further includes at least one transparent conductive layer which is formed on at least one surface of each of the first and/or second electrode leads and which is formed in the same layer as at least one of the first and second electrodes, the first and second connecting wires.
  • the at least one transparent conductive layer comprises a first transparent conductive layer which is formed on the upper surface of each of the first and/or second electrode leads.
  • the first transparent conductive layer is further formed on at least one lateral surface of each of the first and/or second electrode leads.
  • the at least one transparent conductive layer further comprises a second transparent conductive layer which is formed on the lower surface of each of the first and/or second electrode leads, and which contacts the first transparent conductive layer so as to form enclosed spaces which package respective ones of the first and/or second electrode leads.
  • the first connecting wires are a plurality of first connecting wires which are connected between the plurality of the first electrodes respectively
  • the second connecting wires are a plurality of second connecting wires which are connected between the plurality of the second electrodes respectively.
  • An insulating layer is formed between the first and second connecting wires.
  • the first transparent conductive layer is formed in the same layer as the first and second electrodes, and the first connecting wires, and the second transparent conductive layer is formed in the same layer as the second connecting wires.
  • the first transparent conductive layer is formed in the same layer as the second connecting wires, and the second transparent conductive layer is formed in the same layer as the first and second electrodes, and the first connecting wires.
  • the first transparent conductive layer is formed in the same layer as the first electrodes and connecting wires
  • the second transparent conductive layer is formed in the same layer as the second electrodes and connecting wires.
  • the at least one transparent conductive layer, the first and second electrodes and the first and second connecting wires are made of a same material.
  • the at least one transparent conductive layer, the first and second electrodes and the first and second connecting wires are made of a transparent metal oxide.
  • the transparent metal oxide comprises indium tin oxide or zinc oxide.
  • the touch panel further comprises a light-shielding layer which is located in a border area around the touch area.
  • the first and second electrode leads are located on the light shielding layer.
  • a method for manufacturing touch panel including forming a plurality of a first electrodes, a plurality of a second electrodes, a plurality of a first electrode leads and a plurality of a second electrode leads; the plurality of first electrodes are connected to each other in a first direction by first connecting wires, the plurality of second electrodes are connected to each other in a second direction by second connecting wires; the plurality of the first electrode leads serve to lead the first electrodes, which are connected to each other in the first direction, out of a touch area; the plurality of the second electrode leads serve to lead the second electrodes, which are connected to each other in the second direction, out of the touch area.
  • the method further includes forming at least one transparent conductive layer in the same layer as at least one of the first and second electrodes, the first and second connecting wires, and the at least one transparent conductive layer is formed on at least one surface of each of the first and/or second electrode leads.
  • the at least one transparent conductive layer comprises a first transparent conductive layer which is formed on the upper and lateral surfaces of each of the first and/or second electrode leads.
  • the at least one transparent conductive layer further comprises a second transparent conductive layer which is formed on the lower surface of each of the first and/or second electrode leads, and which contacts the first transparent conductive layer so as to form enclosed spaces which package respective ones of the first and/or second electrode leads.
  • the method comprises forming a first transparent conductive material layer and performing a patterning process thereto, so as to form a pattern comprising a plurality of a first electrodes, first connecting wires, a plurality of a second electrodes and a second transparent conductive layer; the second transparent conductive layer is formed at a position corresponding to the plurality of the first and second electrode leads; forming an insulating layer and performing a patterning process thereto so as to form an insulating layer pattern; forming a lead material layer and performing a patterning process thereto, so as to form a pattern comprising a plurality of a first and a second electrode leads, forming a second transparent conductive material layer and performing a patterning process thereto, so as to form a pattern comprising a second connecting wires and a first transparent conductive layer; the first transparent conductive layer being formed on the upper and lateral surfaces of the first and/or second electrode leads, wherein the first transparent conductive layer contacts the second transparent conductive layer so as to form enclosed spaces
  • the method comprises forming a first transparent conductive material layer and performing a patterning process thereto, so as to form a pattern comprising: second connecting wires and a second transparent conductive layer; the second transparent conductive layer is formed at a position corresponding to the plurality of the first and second electrode leads; forming an insulating layer and performing a patterning process thereto so as to form an insulating layer pattern; forming a lead material layer and performing a patterning process thereto, so as to form a pattern comprising a plurality of a first and a second electrode leads, forming a second transparent conductive material layer and performing a patterning process thereto, so as to form a pattern comprising a plurality of a first electrodes, first connecting wires, a plurality of the second electrodes and a first transparent conductive layer; the first transparent conductive layer being formed on the upper and lateral surfaces of the plurality of the first and second electrode leads, wherein the first transparent conductive layer contacts the second transparent conductive layer so as to form enclosed spaces
  • the method further comprises forming a first transparent conductive material layer and performing a patterning process thereto, so as to form a pattern comprising a plurality of a first electrodes, first connecting wires and a second transparent conductive layer; the second transparent conductive layer is formed at a position corresponding to the plurality of the first and second electrode leads; forming an insulating layer and performing a patterning process thereto so as to form an insulating layer pattern; forming a lead material layer and performing a patterning process thereto, so as to form a pattern comprising a plurality of a first and a second electrode leads, forming a second transparent conductive material layer and performing a patterning process thereto, so as to form a pattern comprising a plurality of the second electrodes, a second connecting wires and a first transparent conductive layer; the first transparent conductive layer being formed on the upper and lateral surfaces of the plurality of the first and second electrode leads, wherein the first transparent conductive layer contacts the second transparent conductive layer so as to form
  • a touch display device comprising a touch panel as described above.
  • the second and first transparent conductive layers are used to package the first and second electrode leads, which may prevent the first and second electrodes leads from being oxidized and save the step of making a protection layer on the electrode leads separately to prevent oxidation.
  • the first and second electrode leads are package by the second and first transparent conductive layers completely without an exposed area, which may prevent the first and second electrode leads from being oxidized and may increase adhesion.
  • the second and first transparent conductive layers are respectively formed in the same layer as at least one of the first and second electrodes, the first and second connecting wires, there is no additional manufacturing steps when making the above touch panel, which reduces procedures and improve production efficiency compared with the prior art.
  • a touch panel including a plurality of first electrodes which are connected to each other in a first direction by first connecting wires; a plurality of second electrodes which are connected to each other in a second direction by second connecting wires; a plurality of a first electrode leads for leading the first electrodes, which are connected to each other in the first direction, out of a touch area; a plurality of a second electrode leads for leading the second electrodes, which are connected to each other in the second direction, out of the touch area, wherein the touch panel further includes at least one transparent conductive layer which is formed on at least one surface of each of the first and/or second electrode leads and which is formed in the same layer as at least one of the first and second electrodes and the first and second connecting wires.
  • the at least one surface of the first and/or second electrode leads comprises at least one of the upper and lower surface or at least one lateral surface of the front and back, left and right surfaces of the electrode leads.
  • the at least one transparent conductive layer comprises a first transparent conductive layer which is formed on the upper surface of each of the first and/or second electrode leads.
  • first transparent conductive layer is also formed on at least one lateral surface of each of the first and/or second electrode leads.
  • the at least one transparent conductive layer comprises a second transparent conductive layer which is formed on the lower surface of each of the first and/or second electrode leads, and which contacts the first transparent conductive layer so as to form enclosed spaces which package respective ones of the first and/or second electrode leads.
  • the first and second electrodes are one of the emitting and receiving electrodes respectively.
  • Figs.3(a)-(c) illustrate exploded planar schematic views of the touch panel according to the first embodiment of the present disclosure
  • Fig. 4 is a cross sectional schematic view of the touch panel according to the first embodiment of the present disclosure. As shown in Figs. 3(a)-(c) and Fig. 4 , it comprises:
  • the touch panel further comprises a light-shielding layer (not shown in the Figure) which is formed in a border area around the touch area and is used to prevent light leaking in the border area.
  • the plurality of first and second electrode leads 305, 306 are located on the light shielding layer.
  • the first and second electrode leads 305, 306 may be formed on the same side or different sides of the light-shielding layer.
  • the first transparent conductive layer 3071 is formed on the upper and lateral surfaces of each of the first and second electrode leads 305, 306.
  • the second transparent conductive layer 3072 is formed on the lower surface of each of the first and second electrode leads 305, 306.
  • the first transparent conductive layer 3071 contacts the second transparent conductive layer 3072 at edges of the first and second electrode leads so as to form enclosed spaces which package respective ones of the first and second electrode leads 305, 306 completely, see Fig. 4 .
  • the first and second transparent conductive layers 3071, 3072 are used to package the first and second electrode leads 305, 306, which may prevent the first and second electrodes leads 305, 306 from being oxidized and save the step of making a protection layer on the electrode leads separately to prevent oxidation and increase adhesion.
  • the first and second transparent conductive layer 3071, 3072 are electrically conductive, they will not affect electric connection between the first and second electrode leads 305, 306 and external circuits.
  • the first and second electrode leads 305, 306 are packaged by the second and first transparent conductive layers completely without an exposed area, which may prevent the first and second electrode leads from being oxidized and may increase adhesion.
  • the first and second transparent conductive layers 3071, 3072 are respectively formed in the same layer as at least one of the first and second electrodes, the first and second connecting wires, there is no additional manufacturing steps when manufacturing the above touch panel.
  • the second transparent conductive layer may be omitted from the above mentioned structure, and merely the first transparent conductive layer on the upper and lateral surfaces of the electrode leads are retained, such that it covers the upper and lateral surfaces of the electrode leads completely and form closed spaces with the substrate, which may also achieve the same effect.
  • the first transparent conductive layer may only cover the upper surface of the electrode leads, which also has the function of preventing oxidization and enhancing adhesion.
  • the transparent conductive layer may only formed on the lateral surface of the first and second electrode leads, so as to prevent oxidization of the lateral surface of the electrode leads.
  • the first electrodes 301 and the second electrodes 302 are arranged to intersect with each other.
  • the first electrodes 301 are connected to each other in a first direction by first connecting wires 303.
  • the second electrodes 302 are connected to each other in a second direction by second connecting wires 304.
  • An insulating layer 308 is formed between the first and second connecting wires 303, 304.
  • the first connecting wires 303 for connecting the first electrodes 301 are formed in the same layer as the first and second electrodes 301, 302, while the second connecting wires 304 for connecting the second electrodes 302 are formed in a different layer and it is connected with the second electrodes 302 by way of upper or lower bridging.
  • the upper bridging means that forming an insulating layer 308 at the position of the second connecting wires 304 after the first and second electrodes 301, 302 and the first connecting wires 303 are formed, then forming the second connecting wires 304 on the insulating layer 308 and electrically connecting both ends of the second connecting wires 304 with two adjacent second electrodes 302.
  • the lower bridging means that forming the second connecting wires 304 firstly at the corresponding positions, then forming the first and second electrodes 301, 302 and the first connecting wires 303 after a insulating layer is formed on the second connecting wires 304, in which both ends of the second connecting wires 304 are electrically connected with two adjacent second electrodes 302.
  • the insulating layer is intended to make the first and second connecting wires 303, 304 insulate from each other at the position where the first and second connecting wires 303, 304 intersect.
  • Figs. 3(a)-(c) and Fig. 4 illustrate a lower bridging structure.
  • the first transparent conductive layer 3071 is formed in the same layer as the first and second electrodes 301, 302, and the first connecting wires 303 are formed, and it is formed on the upper surface and the lateral surfaces of each of the first and second electrodes leads 305, 306, or below each of the first and second electrodes leads 305, 306.
  • the second transparent conductive layer 3072 is formed in the same layer as the second connecting wires 304, and it is formed on the upper surface and the lateral surfaces of each of the first and second electrodes leads 305, 306, or below each of the first and second electrodes leads 305, 306.
  • the first and second transparent conductive layer 3071, 3072 are formed above and below the first and second electrode leads 305, 306, and on the lateral surfaces of the first and second electrode leads 305, 306, which packages the first and second electrode leads 305, 306 completely.
  • the lower conductive layer is formed on the lower surface of the first and second electrode leads 305, 306, and its area is equal to or slightly larger than the area of the first and second electrode leads 305, 306.
  • the upper conductive layer is formed on both of the upper surface and the lateral surfaces of the first and second electrode leads 305, 306, so as to be arranged to contact with the lower conductive layer at the edges of the first and second electrode leads 305, 306 and form closed spaces.
  • the first transparent conductive layer 3071 is located on the lower surfaces of the first and second electrode leads 305, 306, and the second transparent conductive layer 3072 is located on the upper and lateral surfaces of the first and second electrode leads 305, 306, and is arranged to contact with the first transparent conductive layer at the edges around the first and second electrode leads 305, 306.
  • the second transparent conductive layer 3072 is located on the lower surfaces of the first and second electrode leads 305, 306, and the first transparent conductive layer 3071 is located on the upper and lateral surfaces of the first and second electrode leads 305, 306, and is arranged to contact with the second conductive layer at the edges around the first and second electrode leads 305, 306.
  • the first and second transparent conductive layer 3071, 3072, the first and second electrodes 301, 302 and the first and second connecting wires 303, 304 are made from a same material.
  • the first and second transparent conductive layer 3071, 3072 are made from a transparent conductive material, such as a transparent metal oxide.
  • the transparent metal oxide comprises indium tin oxide (ITO), zinc oxide (IZO) and the like.
  • the first and second electrodes 301, 302 and the first and second connecting wires 303, 304 may also be made from a transparent conductive material, such as a transparent metal oxide.
  • the present disclosure is not limited to the above mentioned manner. It is possible that the first electrodes 301 and the first connecting wires 302 are formed in a same layer, while the second electrodes 302 and the second connecting wires 304 are formed in a same layer, and an insulating layer is formed at the position where the first and second connecting wires 303, 304 intersect with each other.
  • the first transparent conductive layer 3071 is formed in a same layer as that of the first electrodes 301 and the first connecting wires 303
  • the second transparent conductive layer 3072 is formed in a same layer as that of the second electrodes 302 and the second connecting wires 304.
  • the first and second transparent conductive layer 3071, 3072 are made from a transparent conductive material, other arrangement are same as that recited in the first embodiment.
  • the key point of the present disclosure is in that the exposed surfaces of the electrode leads are packaged by transparent conductive material and the transparent conductive layer is formed in a same layer as at least one of the first and second electrodes, the first and second connecting wires, such that it will not need an additional manufacturing process for manufacturing the touch panel and will prevent oxidization of the electrode leads. Any modification to the solution of the prevent disclosure basing on such an concept will be within the protection scope of the present disclosure.
  • An embodiment of the present disclosure further provides a method for manufacturing touch panel, including forming a plurality of a first electrodes, a plurality of a second electrodes, a plurality of a first electrode leads and a plurality of a second electrode leads; the plurality of first electrodes are connected to each other in a first direction by first connecting wires, the plurality of second electrodes are connected to each other in a second direction by second connecting wires; the plurality of the first electrode leads serve to lead the first electrodes, which are connected to each other in the first direction, out of a touch area; the plurality of the second electrode leads serve to lead the second electrodes, which are connected to each other in the second direction, out of the touch area.
  • the method further includes: forming a first transparent conductive layer in the same layer as at least one of the first and second electrodes, the first and second connecting wires, and the first transparent conductive layer covers surfaces of each of the first and second electrode leads.
  • the method further comprises forming a second transparent conductive layer in the same layer as at least one of the first and second electrodes, the first and second connecting wires, and the second transparent conductive layer is formed below each of the first and second electrode leads and contacts the first transparent conductive layer so as to form enclosed spaces which package respective ones of the first and second electrode leads respectively.
  • Fig. 5 illustrates a flow chart of the method for manufacturing the touch panel according to the first embodiment of the present disclosure, and the processes are shown in Figs. 3(a)-(c) in detail. The specific processes and steps of the present disclosure will be described by taking the manner of connecting the second electrodes by lower bridging as an example in the present embodiment. As shown in Fig. 5 , it comprises:
  • Fig. 6 illustrates a flow chart of the method for manufacturing the touch panel according to a second embodiment of the present disclosure. The specific processes and steps of the present disclosure will be described with the manner of connecting the second electrodes by upper bridging as an example in the present embodiment. As shown in Fig. 6 , it comprises:
  • the method according the embodiment of the present disclosure is not limited to the steps of the above method.
  • Fig. 7 illustrates a flow chart of the method for manufacturing the touch panel according to a third embodiment of the present disclosure. As shown in Fig. 7 , the method comprises:
  • the lead material layer before the lead material layer is formed, it further comprises the step of forming a light shielding layer in a border area around the touch area, and the first and second electrode leads are located on the light shielding layer.
  • the second connecting wires between the second electrodes are in form of lower bridging in the touch panel made by the method shown in Fig. 5 and in form of upper bridging in Fig. 6 , while in Fig. 7 , the first and second electrodes are formed in different layers.
  • the common points among the methods in Figs. 5-7 are that the first and second electrodes, the first and second connecting wires should be formed at least in two layers when they are manufactured.
  • the present disclosure utilizes the steps of forming two layers, such that the second the first transparent conductive layers are formed respectively while each layer is formed, which makes the first and second electrode leads are packaged by the second and first transparent conductive layers completely. It prevents the first and second electrode leads from being oxidized and enhances adhesion thereof. At the same time, the step of making separately a protection layer on the electrode leads so as to prevent oxidation and increase adhesion is saved. Therefore, the above mentioned method proposed by the present disclosure may save processes and reduce cost.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
EP15868659.2A 2014-12-15 2015-10-23 Panneau tactile et son procédé de fabrication, et dispositif d'affichage tactile Withdrawn EP3070583A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410776006.8A CN104407743A (zh) 2014-12-15 2014-12-15 一种触控面板及其制作方法、触控显示装置
PCT/CN2015/092670 WO2016095609A1 (fr) 2014-12-15 2015-10-23 Panneau tactile et son procédé de fabrication, et dispositif d'affichage tactile

Publications (2)

Publication Number Publication Date
EP3070583A1 true EP3070583A1 (fr) 2016-09-21
EP3070583A4 EP3070583A4 (fr) 2018-02-28

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EP15868659.2A Withdrawn EP3070583A4 (fr) 2014-12-15 2015-10-23 Panneau tactile et son procédé de fabrication, et dispositif d'affichage tactile

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US (1) US10203784B2 (fr)
EP (1) EP3070583A4 (fr)
CN (1) CN104407743A (fr)
WO (1) WO2016095609A1 (fr)

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CN104407743A (zh) 2014-12-15 2015-03-11 京东方科技集团股份有限公司 一种触控面板及其制作方法、触控显示装置
CN108733242B (zh) * 2017-04-17 2024-02-20 深圳莱宝高科技股份有限公司 金属引线触控面板及其制作方法
CN110825262B (zh) * 2019-10-29 2023-06-23 昆山龙腾光电股份有限公司 触控面板、触控面板的制作方法及显示装置

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JP5538567B2 (ja) * 2010-12-09 2014-07-02 シャープ株式会社 タッチパネル及びそれを備えた表示装置並びにタッチパネルの製造方法
WO2013031903A1 (fr) * 2011-09-02 2013-03-07 シャープ株式会社 Écran tactile et appareil d'affichage
CN103019493A (zh) * 2012-12-24 2013-04-03 无锡力合光电石墨烯应用研发中心有限公司 一种用于电容式触摸屏的电极结构及其制备方法
CN103092411A (zh) * 2013-01-10 2013-05-08 北京京东方光电科技有限公司 一种触摸屏及其制作方法、显示装置
CN103677431A (zh) 2013-12-31 2014-03-26 京东方科技集团股份有限公司 一种触摸屏及其制作方法、显示装置
CN104407743A (zh) 2014-12-15 2015-03-11 京东方科技集团股份有限公司 一种触控面板及其制作方法、触控显示装置

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WO2016095609A1 (fr) 2016-06-23
US10203784B2 (en) 2019-02-12

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